<html>
<dead>
<title>跨行跨列表格</title>
</head>
<body>
<table width="300" border="3" bgcolor="#dddddd">
    <tr>
      <td  colspan="3">工程数量</td>
   </tr>
   <tr>
      <td rowspan="2">废气净化处理项目</td>
      <td>废弃检测项目</td>
       <td>2</td>
   </tr>
   <tr>
      <td>废水处理项目</td>
      <td>3</td>
   </tr>
   <tr>
     <td rowspan="2">污染土壤修复工程</td>
     <td>土壤检测项目</td>
     <td>3</td>
   </tr>
   <tr>
      <td>土壤修复项目</td>
      <td>2</td>
    </tr>
</table>
</body>
</html>
